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Between 30 and 65 psi. The computer on the car determins the fuel pressure based upon need. There is a FRP (fuel rail pressure) sensor on this returnless system. The FRP sensor is a passive sensor and varies the signal return voltage to the computer which, inturn, controls fuel pump speed to vary the system pressure

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15y ago
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Q: What is the fuel pressure for a 2001 Lincoln ls?
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